October 2019 Man jailed for 18 years for sexual crimes against a child A man has been jailed for 18 years after he was found guilty of sexual crimes against a child. John Brown denied the crimes but a jury found him guilty of two counts of causing or inciting a girl under the age of 13 to engage in sexual activity and two counts of raping a child. The crimes happened between 2008 and 2011 in Chesterfield. Brown (56), of Crowscroft Road, Pilsley, was sentenced at Derby Crown Court on September 6.